21261284

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{483211}}^1$

素因数の和:483226

約数の個数: 12

約数和(自身を含む): 40589808

約数和(自身を除く): 19328524

約数列:

[1, 2, 4, 11, 22, 44, 483211, 966422, 1932844, 5315321, 10630642, 21261284]

約数ペア:

[(1, 21261284), (2, 10630642), (4, 5315321), (11, 1932844), (22, 966422), (44, 483211)]